Environmental benefits showcased

Uncertain economic conditions have not stopped asphalt manufacturers, bitumen suppliers and surfacing contractors from pushing forward with efforts to further improve the environmental sustainability of their products and services.

Within the pages of this issue of Modern Asphalts & Surface Treatments we detail the recent work by London surfacing contractor FM Conway to recycle secondary aggregates from the capital’s roads for use within asphalt renewal applications. The company is also encouraging the transport of aggregates to its asphalt manufacturing plant by ship rather than by road to cut down on carbon emissions.

Elsewhere a means of calculating carbon emissions associated with six highway treatment systems has been developed by the Road Surface Treatments Association. It says that the issue of carbon reduction has not disappeared and will come to the fore once again when the economic upturn begins.

Further articles in this issue detail the work of Total Bitumen to develop a polymer modified binder that meets Transport Scotland’s new highway surfacing specification. Nynas talks about advances in polymer modified bitumen that are beginning to transfer from roads to airfields. And Shell Bitumen’s clear binder, which allows specifiers to create coloured surfacings is being promoted to highway authorities for use in road tunnels.

Mike Walter


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